Family name Хорган (Horgan 
, Хорган) , throughout the world, is a common cognomen. The cognomen Хорган is habitual in Ireland, where it is quite a common surname, New Zealand, where it is quite a rare surname, and Australia. Not in comparison with a country's population, it is the most numerous in the United States, Ireland, and the United Kingdom. Very seldom, Хорган is the forename as well as the last name.